參數(shù)資料
型號(hào)： PDIUSBH11
廠商： NXP Semiconductors N.V.
英文描述： Universal Serial Bus Hub
中文描述： 通用串行總線集線器
文件頁(yè)數(shù)： 11/26頁(yè)
文件大?。?/td> 146K
代理商： PDIUSBH11
Philips Semiconductors
Product specification
PDIUSBH11
Universal Serial Bus Hub
1997 Aug 01
11
Read Endpoint Status
Command
: 80–84h
Data
: Read 1 byte
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
POWER ON VALUE
RESERVED
SETUP PACKET
STALL
DATA 0/1 PACKET
BUFFER FULL
SETUP PACKET A ‘1’ INDICATES THE LAST RECEIVED PACKET WAS A SETUP TOKEN
STALL A ‘1’ INDICATES THE ENDPOINT IS STALLED
DATA 0/1 PACKET A ‘1’ INDICATES THAT THE LAST RECEIVED OR SENT PACKET HAD A DATA1 PID
SV00508
RESERVED
BUFFER FULL A ‘1’ INDICATES THAT THE BUFFER IS FULL
Read Buffer
Command
: F0h
Data
: Read multiple bytes (max 10)
The Read Buffer command is followed by a number of data reads, which return the contents of the selected endpoint data buffer. After each
read, the internal buffer pointer is incremented by 1.
The buffer pointer is not reset to the buffer start by the Read Buffer command. This means that reading or writing a buffer can be interrupted by
any other command (except for Select Endpoint), or can be done by more than one I2C transaction (read the first 2 bytes to get the number of
data bytes, then read the rest in other transactions).
The data in the buffer are organized as follows:
byte 0:
reserved: can have any value
byte 1:
Number / length of data bytes
byte 2:
Data byte 1
byte 3:
Data byte 2
Write Buffer
Command
: F0h
Data
: Write multiple bytes (max 10)
The Write Buffer command is followed by a number of data writes, which load the endpoints buffer. The data must be organized in the same
way as described in the Read Buffer command. The first byte (reserved) should always be 0. As in the Read Buffer command, the data can be
split up into different I2C data transactions.
WARNING
There is no protection against writing or reading over a buffer’s boundary or against writing into an OUT buffer or reading from an IN buffer. Any
of these actions could cause an incorrect operation. Data in an OUT buffer are only meaningful after a successful transaction.
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PDIUSBH11A 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus Hub
PDIUSBH11AD 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus Hub
PDIUSBH11AD-T 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:BUS CONTROLLER
PDIUSBH11ANB 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus Hub
PDIUSBH11D 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Universal Serial Bus Hub
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